Samsung SyncMaster 215TW display goes black for 2-3 seconds on DVI

My SyncMaster 215TW goes black (blinks off?) for 2-3 seconds while connected to my PowerBook by DVI. After trying to get help from Samsung's support site (lot's of the widgets seem to be broken), I found a page ( http://erms.samsungusa.com/customer/sea/jsp/faqs/faqsview.jsp?PG_ID=1&AT_ID=15272&PROD_SUB_ID=28&PRODID=-1 ) that suggests such behavior is a result of a cable or video card. This behavior happens at most, only once per session. I'm not sure if this is a problem, and if so, if it's the display or the PowerBook's Nvidia chipset. Has anybody had any problems like this?
Thanks.
PowerBook G4 12" Mac OS X (10.4.9) 1.5 GHz

Hi rossmatt06,
If you are having intermittent issues with the external displays connected to your MacBook Pro, you may find the following article helpful. In particular, if at all possible I would test with different adapters to try to rule out an incompatibility.
Apple computers: Troubleshooting issues with video on internal or external displays
http://support.apple.com/kb/ht1573
Regards,
- Brenden

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